United States. Bureau of Labor Statistics. "National Compensation Survey: Mobile, AL, August 1999 : Percentiles : Bulletin of the United States Bureau of Labor Statistics, No. 3100-08,"
National Compensation Survey (Wages and Salaries)
(February 2000).
https://fraser.stlouisfed.org/title/6009/item/582383/content/pdf/bls_3100-08p_1999, accessed on July 19, 2026.